From studies, we know that (6) ........ children are isolated from human contact and have not learnt to construct sentences before they are ten, it is doubtful they will ever do so.

Yet stress is not negative and without (2) ..... we would not enjoy some of the highpoints in life

However, unlike these situations, (5) ..... are generally positive and easier to deal with, sitting in a train that is running late

Stress (0) ..... often called a 21st century illness but it has always been with us if perhaps with different names.

we would not enjoy some of the highpoints in life (3) ..... as the anticipation before a date

Did we all start talking at around the same time (1) ........ of the manner in which our brains had begun to develop?

One recent theory is that human beings have evolved in (2) ........ a way that we are programmed for language from the moment of birth.

it is important that symptoms (8) ..... identified in order to avoid unnecessary suffering.

All these situations produce stress but (4) ..... you can control it and not the other way around, you will feel stimulated,

In (3) ........ words, language came about as a result of an evolutionary change in our brains at some stage.

Stress is now recognised as a medical problem and as a signficant factor (7) ..... causing coronary heart disease

These days we regard stress (1) ..... a necessary evil of modern living.

Language (4) ........ well be programmed into the brain.